VBA - XML, selecting node values based on a variable

I have written the following code.
The code works if provide the search criteria as text, however I want to load it as a parameter that will be supplied at runtime.

 Dim paNode As XmlNode = node.SelectSingleNode("//Tags/Tag[@Name='Alarm'']")
I would like to figure out how to do something like this.
 Dim paNode As XmlNode = node.SelectSingleNode("//Tags/Tag[@Name='ParameterName'']")

Dim filename As String
        filename = "C:\share\MikesTestFile.xml"
        Dim tagAttName As String
        tagAttName = "Alarm"
        Dim doc As XmlDocument = New XmlDocument()
        doc.Load(filename)
 
        Dim nodeList As XmlNodeList = doc.SelectNodes("//Tag")
        Dim node As XmlNode
 
        For Each node In nodeList
            If node.Attributes("Name").Value.ToString = tagAttName Then
                ' removed node based on attribute.
 
                Dim paNode As XmlNode = node.SelectSingleNode("//Tags/Tag[@Name='Alarm'']")
                If paNode Is Nothing Then
                    MessageBox.Show("not working")
                End If
                node.ParentNode.RemoveChild(paNode)
 
                'Dim dspString As String = node.Attributes("Id").Value.ToString
                'MessageBox.Show("I found this ID value:" & dspString)
                'node.RemoveChild(node.SelectSingleNode("Genre"))
            End If
        Next
        doc.Save(filename)

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